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All Journal Jurnal Fisika Unand Jurnal Riset Kimia IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Jurnal Zarah Akta Kimia Indonesia Media Ilmu Kesehatan Molekul: Jurnal Ilmiah Kimia Current Research on Biosciences and Biotechnology Warta Pengabdian Andalas: Jurnal Ilmiah Pengembangan Dan Penerapan Ipteks Hydrogen: Jurnal Kependidikan Kimia JURNAL KIMIA SAINTEK DAN PENDIDIKAN Jurnal Katalisator Molekul: Jurnal Ilmiah Kimia
Suryati
Departemen Kimia, Fakultas Matematika Dan Ilmu Pengatahuan Alam, Universitas Andalas, Padang
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Environmental Science Health Professions Materials Science & Nanotechnology Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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Potensi Antimikroba dan Toksisitas Minyak Atsiri yang Diisolasi dari Biji Jintan (Carum carvi L.) Suryati Suryati; Emil Salim; Gustia Elizar
Jurnal Riset Kimia Vol. 13 No. 2 (2022): September
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jrk.v13i2.551

Abstract

Caraway (Carum carvi L.) is one of the oldest medicinal plants found in various countries such as West Asia, North Africa, Pakistan, India, North America, Northern Europe, Iran, Russia, and Indonesia. This plant has been use for traditional medicines to treat digestive disorders, flatulence, colic in infants, headaches, coughs, hypertension, eczema, pneumonia, diabetes, scabies, mouthwash and as an antiseptic. This plant is reported to contain around 1-9% essential oil in the seeds with various components and potential as bioactive compounds. In this study, essential oils were isolated from caraway seeds and determined their chemical content as well as their antimicrobial and toxicity. Isolation of essential oils was carried out by hydrodistillation and analysis of the chemical components of the isolated essential oils was carried out using the Gas Chromatography-Mass Spectrometry (GC-MS) method. The results of the GC-MS analysis showed the presence of 35 compounds with four main compounds, namely carvone (62.54%), limonene (23.39%), and trans-dihydrocarvone (8.20%). The antimicrobial activity test was carried out using the disc diffusion method, which showed strong activity against Staphylococcus aureus at a concentration of ≥75%, and against the fungus Candida albicans. The results of the toxicity test using the Brine Shrimp Lethality Test (BSLT) method showed that caraway seed essential oil was low toxic against Artemia salina Leach shrimp larvae with an LC50 value 568.3292 mg/L.
POTENSI MINYAK ATSIRI DARI DAUN TUMBUHAN SAMBUANG (Etlingera elatior) SEBAGAI SENYAWA ANTIBAKTERI DAN ANTIOKSIDAN M. Fadly; Suryati Suryati; Farid Al-Huzaini; Nadila Arrahim
JURNAL KIMIA SAINTEK DAN PENDIDIKAN Vol. 5 No. 2 (2021): JURNAL KIMIA SAINTEK DAN PENDIDIKAN
Publisher : Program Studi Kimia - Universitas Sari Mutiara Indonesia

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Abstract

Sambuang (Etlingera elatior) is a member of the Zingiberaceae family which is widely distributed in Indonesia. Traditionally, sambuang is used for cooking spices and to cure various diseases, namely diseases of the ears, stomach, skin wounds, and stomach pain due to poisoning. In this study, essential oils were isolated from sambuang leaves and antibacterial and antioxidant activities were also determined. Isolation of essential oil was carried out by steam distillation and the chemical content of the isolated essential oil was analyzed by Gas Chromatography-Mass Spectrometry (GC-MS). It is known to contain 98 chemical compounds, with the main ingredients being a-Pinene (19.39%), Gadoleyl Alcohol (7.37), Myristoleyl Alcohol (7.16%), Palmitoleyl Alcohol (5.87%), Sabinene (5 ,48%). The results of the antibacterial activity of essential oils using the disc diffusion method showed strong activity against Escherichia coli, Salmonella typhi (50% concentration) and Staphylococcus aureus (70% concentration) with inhibition zones of 13.6 mm, 12 mm, respectively. and 11 mm. The results of the antioxidant activity test using the DPPH method (1,1-diphenyl-2-picrylhydrazyl) showed that the essential oil of sambuang leaf essential oil was not effective as an antioxidant because it was very weak with an IC50 value of 6939.18 g/mL.
DETERMINATION OF SECONDARY METABOLITE CONTENT, TOTAL PHENOLIC ANTIOXIDANT TEST, AND TOXICITY OF ULIN LEAF EXTRACT (Eusideroxylon zwageri Teijsm. & Binn) Yayan Rabbani Kurniawan; adlis santoni; suryati suryati
Akta Kimia Indonesia Vol 7, No 2 (2022)
Publisher : LPPM, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25493736.v7i2.14346

Abstract

Ulin leaf (Eusideroxylon zwageri Teijsm. & Binn) is one of the traditional Indonesian medicinal plants. In this research, the secondary metabolite content, antioxidant activity, cytotoxic and total phenolic content were tested. The extraction process by maceration starts from hexane, ethyl acetate and methanol. The content of secondary metabolites of ironwood leaves are flavonoids, phenolics, steroids, terpenoids, and alkaloids. The results of the antioxidant activity test using the DPPH method (1,1-Diphenyl-2-Picrylhydrazil), methanol extract showed very strong activity IC50 10.96 mg/L, moderate ethyl acetate extract 115,409 mg/L and weak hexane extract IC50 368,555 mg/L. L. This result correlated with the total phenolic yield, methanol extract had the highest value of 162.95 mg GAE/Gram, followed by ethyl acetate extract of 96.7 mg GAE/Gram and hexane with a value of 19.85 mg GAE/Gram. The results of the cytotoxic test using the (BSLT) method on hexane extract had very strong toxicity LC50 82.1675 mg/L, methanol extract and weak ethyl acetate LC50, respectively; 683,282; and 812.456 mg/L.Key word : Ulin, Antioxidants, Total Phenolic, cytotoxic
Isolasi Senyawa Metabolit Sekunder dari Ekstrak Etil Asetat Daun Pulai (Alstonia scholaris (L.) R. Br.) berdasarkan Sifat Toksisitas dengan Metode BSLT (Brine Shrimp Lethality Test) Emil Salim; Suryati Suryati; Rini Ramadani; Wini Sukrila
Akta Kimia Indonesia Vol 7, No 2 (2022)
Publisher : LPPM, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25493736.v7i2.14532

Abstract

Penelitian ini bertujuan untuk mengisolasi senyawa metabolit sekunder dari ekstrak etil asetat daun pulai (Alstonia scholaris) berdasarkan sifat sitotoksik terhadap larva udang Artemia salina. Pemisahan senyawa aktif dilakukan menggunakan kromatografi kolom, eluen petroleum eter:etil asetat (10:0-0:10) dan etil asetat:metanol (10:0–9:1), dan menghasilkan 8 fraksi (F1-F8). Fraction 6 paling aktif dengan nilai LC50 9,47 mg/L, kemudian direkromatografi dengan eluen petroleum eter:etil asetat (7:3) , diperoleh 5 sub-fraksi (F6.1-F6.5). Sifat toksisitas tertinggi ditunjukkan oleh subfraksi F6.5 dengan LC50 7,694 mg/L. Subfraksi F6.5 kemudian dimurnikan dan dikarkterisasi dengan UV dan FTIR. Senyawa hasil isolasi diketahui merupakan senyawa alkaloid.
Komponen Kimia Minyak Atsiri yang Diisolasi dari Daun Tanaman Pucuk Merah (Syzygium myrtifolium Walp.) dan Potensi Antibakteri serta Toksisitasnya Suryati; Thaharah Alifa Aziz Yenuuar; Shafinna Hana Fadhia; Rahmi Vika Ulia; Miftahul Melsya Salsabilla; Bustanul Arifin
Jurnal Riset Kimia Vol. 14 No. 1 (2023): March
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jrk.v14i1.583

Abstract

Pucuk merah (Syzygium myrtifolium Walp.) is an ornamental plant from the Myrtaceae family. Several phytochemical tests from previous researchers reported that pucuk merah contains secondary metabolites that have benefits such as antioxidants, antibacterials, and anti-cancer. In addition, the distinctive aroma produced from pucuk merah  leaves indicates the presence of essential oils whose bioactivity can be studied. Still, there has been no report on this plant's chemical components or bioactivity. Therefore, this study aims to determine the content of chemical components of pucuk merah  essential oil and their bioactivity as antibacterial and toxicity. The isolation of essential oils was carried out by the hydro distillation method. The chemical components of essential oils were analyzed using the Gas Chromatography-Mass Spectrometry (GC-MS) method. GC-MS results showed the presence of 42 compounds with four main compounds, namely caryophyllene (23.45%), 3-carene (15.67%), α-terpineol (10.74%), and α-pinene (5.98%) ). Antibacterial test of pucuk merah  essential oil using the disc diffusion method showed strong activity against Staphylococcus aureus and Escherichia coli with inhibition zones of 16.15 ± 2.03 and 16.13 ± 1.74 mm at 100% concentration. The results of the toxicity test of pucuk merah  essential oil using the BSLT (Brine Shrimp Lethality Test) method on Artemia salina Leach shrimp larvae showed strong toxic properties with an LC50 value of 3.99 µg/mL.
EKSTRAK DAUN KECAPI SEBAGAI INHIBITOR KOROSI BAJA DALAM MEDIUM ASAM KLORIDA Sari Wahyuni; Emriadi Emriadi; Suryati Suryati
JURNAL KATALISATOR Vol. 7 No. 1 (2022): Jurnal Katalisator Volume 7 Nomor 1, April 2022
Publisher : LLDIKTI X Sumbar, Riau, Jambi, Kepri

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (558.445 KB) | DOI: 10.22216/katalisator.v7i1.921

Abstract

Kecapi (Sandoricum koetjape, (Burm.f.) Merr) leaf extract contains secondary metabolites such as alkaloids, flavonoids, phenolics and triterpenoids which may be an environmentally friendly corrosion inhibitor. The method used in extraction of kecapi leaves in 1 N hydrochloric acid as a steel corrosion inhibitor was carried out by weight loss, FTIR (Fourier Transform Infrared) and SEM (Scanning Electron Microscopy) methods. The data from the weight loss method revealed that the rate was inversely proportional to the concentration of the inhibitor and directly proportional to the temperature, while the value of the efficiency inhibition was directly proportional to the temperature and concentration of the inhibitor. The maximum efficiency inhibition value obtained was 86.61% at an extract concentration of 6 g/L and an immersion temperature of 60oC. The adsorption of kecapi leaf extract followed the Langmuir adsorption isotherm.
Analysis of Chemical Content, Cytotoxic and Anti-Bacterial Activity Essential Oil of Lantana Camara Linn Leaves from Various Regions Suryati suryati; Adlis Santoni; Bustanul Arifin; Norman Ferdinal; Emil Salim; Asri Amelia; Leidina Zein; Silfani Mairanti; Indah Putri Lestari
Molekul Vol 17 No 2 (2022)
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jm.2022.17.2.5143

Abstract

Lantana camara Linn is a family of Verbenaceae that grows in tropical and subtropical areas and spread in about 50 countries in the world. This plant contains essential oils with different contents based on the difference in the place of growth. The purpose of this study was to isolate and determine the chemical content of the essential oil of L. camara Linn leaves obtained from Agam, Tanah Datar, Kampar Regency, Padang Panjang City and to determine its cytotoxic and antibacterial activity. Isolation was carried out by hydro distillation method and chemical content analysis using Gas Chromatography-Mass Spectrometry (GC-MS). The high yield from the isolation of essential oil from leaves of L. camara Linn obtained from Tanah Datar Regency was 0.095% (w/w). The results of the analysis of the essential oil content with the main compounds for all Regency and City being caryophyllene with the high area percent was Tanah Datar Regency (19.74%). Cytotoxic activity test using the Brine Shrimp Lethality Test (BSLT) method showed that L. camara Linn essential oil was highly toxic with an LC50 value of 28.34 µg/mL from Padang Panjang City. Antibacterial activity test by disc diffusion method showed that L. camara Linn essential oil had moderate antibacterial activity againts Staphylococcus aureus and Escherichia coli bacteria, with high clear zone from Agam Regency was 12.9 mm and Tanah Datar Regency was 7.8 mm, respectively, at concentration of 100%.
Antibacterial Activity of Triterpenoid from The Leaves of Tahi Ayam (Lantana camara Linn) Kartika MZ; Suryati Suryati; Mai Efdi
IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Vol 8, No 3 (2023): October 2023
Publisher : IJFAC (Indonesian Journal of Fundamental and Applied Chemistry)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24845/ijfac.v8.i3.110

Abstract

Tahi Ayam (Lantana camara Linn) is known as the herbal plant to cure several diseases and has been used in folk medicine. The result of this study indicates that the isolated compound and the ethyl acetate fraction are components having antibacterial activity. The isolated compound from the ethyl acetate fraction from the leaves of the Lantana camara Linn plant is 9-hydroxy-Lantadene A. The compound includes the triterpenoid compound group, the molecular formula is C35H52O6, and another name is 22-angeloiloxy-9-hydroxy-3-oxo-olean-12-en-28-oat. The antibacterial activity of this compound was determined by looking at the inhibition zone of the test bacteria, namely Staphylococcus aureus as gram-positive and Escherichia coli as gram-negative. The treatment has been using the disc diffusion method and using amoxicillin as a control positive. The result of the antibacterial activity test revealed that both 9-hydroxy-Lantadene A and the ethyl acetate fraction exhibited antibacterial activity. Becouse there are inhibition zones around the discs at concentrations of 10 μg/disk and 5 μg/disk.
Synergetic Effect of Potassium Iodide and Miana (Coleus scutellaroides (L.) Benth.) Leaves Extract on Mild Steel in HCl Medium Sanaq Elfira Putri; Vira Anggita Gusniardi; Suryati Suryati; Emriadi Emriadi
Hydrogen: Jurnal Kependidikan Kimia Vol 11, No 6 (2023): December 2023
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v11i6.9810

Abstract

Due to its low carbon content, mild steel is prone to corrosion. Therefore, corrosion inhibitors are needed to decrease the corrosive rate of mild steel. This research aims to investigate the influence of adding potassium iodide to miana leaves extract (Coleus scutellaroides (L.) Benth.) (MLE) on the corrosion rate of mild steel, identify the type of adsorption, synergistic effects and characterize the surface of mild steel both before and after the addition of potassium iodide. The weight loss method is employed to test the corrosion rate, and the type of adsorption is identified through thermodynamic calculations. Surface characterization is evaluated using Fourier Transform Infrared (FTIR) and Scanning Electron Microscopy (SEM). As potassium iodide is added, the weight loss findings show an increase in inhibitory efficiency. When potassium iodide concentration was 0.4 g/L and temperature was 30°C, the maximum inhibitory efficiency was attained, which was 92.784%. Characterization analysis indicates the interaction between potassium iodide and MLE with the surface of mild steel. This research has not been explored yet and is expected to provide information on the use of potassium iodide and MLE as environmentally friendly corrosion inhibitors.
Sifat Adsorptif dan Termodinamika Ekstrak Lignin dari Pelepah Nipah (Nypa fruticans Wurmb) untuk Korosi Baja Lunak dalam Medium HCl Hilda Sartika; Emriadi; Yeni Stiadi; Suryati Suryati
Jurnal Fisika Unand Vol 13 No 6 (2024)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.13.6.784-791.2024

Abstract

Research on the adsorptive and thermodynamic properties of lignin extract from Nipah fronds (Nypa fruticans Wurmb) for mild steel corrosion in hydrochloric acid medium has been conducted. The inhibititon effect of lignin extract from Nipah (Nypa fruticans Wurmb) fronds (LENF) on the corrosion of mild steel in HCl solution was studied by weight loss and optical microscopy methods. The results show that LENF was a good inhibitor in 1.0 M HCl, and the inhibition efficiency increases with increasing concentration of the extract and temperature. Inhibitive effect was afforded by the adsorption of the extract on the steel surface, which was found to accord with Langmuir adsorption isotherm. Adsorption and activation parameters such as activation energy (Ea), enthalpy (∆Η), free Gibbs energy (∆G), and entropy (∆S) were evaluated on the corrosion and inhibition process.
Co-Authors Aditya Perdana Adlis Santoni Afrizal Afrizal Aisya, Nurul Asri Amelia Bustanul Arifin Bustanul Arifin Bustanul Arifin Bustanul Arifin Dachriyanus Deswati Deswati Elida Mardiah Emriadi - Enda Desriansyah Aziz Enda Desriansyah Aziz Farid Al-Huzaini Fatma Sri Wahyuni Frisky, Sintia Gustia Elizar Hilda Sartika Indah Putri Lestari Kartika MZ Kartika MZ Kartika Kusumasari, Viantika Leidina Zein M Lutfi Firdaus M. Fadly Maghfirah, Sucy Mai Efdi Matlal Fajri Alif Miftahul Melsya Salsabilla Mudinillah, Adam Nadila Arrahim Norman Ferdinal Novesar Jamarun Nurdin, Hazli Nurhamidah Nurhamidah Olly Norita Tetra Rahmi Vika Ulia Rini Ramadani Safni Safni Salim, Emil Sanaq Elfira Putri Sanusi Ibrahim Sari Wahyuni Shafinna Hana Fadhia Silfani Mairanti Siti Aisyah Siti Nur Hidayah, Siti Nur Syukri Arief Thaharah Alifa Aziz Yenuuar Vira Anggita Gusniardi Wini Sukrila Yayan Rabbani Kurniawan Yeni Stiadi Yetria Rilda Yosie Andriani Yulizar Yusuf Yuni Malasari Zilfa Zilfa